{
  "id": 17997,
  "title": "off topic: why MRI and not nuclear imaging?",
  "url": "/competitions/second-annual-data-science-bowl/discussion/17997",
  "author_name": "",
  "post_date": "2015-12-17T22:11:05.300Z",
  "votes": null,
  "comment_count": 3,
  "views": 944,
  "content": "<p>MRI is expensive and slower relative to  Nuclear imaging.</p>\n\n<p>Many areas of the world don't have enough (at all) MRIs.\nNuclear imaging does not require a heavy investment, and I think it can be made  portable, so you can take it to remote locations.</p>\n\n<p>MRI volume measurement is hard (that's why we have this competition)\nand again, AFAIK, in Nuclear imaging the volume measurement is easier because you inject nuclear material into the blood and the radiation reading captured from the heart area using a nuclear camera is a good substitute for the volume of the blood inside the heart.</p>",
  "messages": [
    {
      "id": "101924",
      "postDate": "12/17/2015 22:11:05",
      "content": "<p>MRI is expensive and slower relative to  Nuclear imaging.</p>\n\n<p>Many areas of the world don't have enough (at all) MRIs.\nNuclear imaging does not require a heavy investment, and I think it can be made  portable, so you can take it to remote locations.</p>\n\n<p>MRI volume measurement is hard (that's why we have this competition)\nand again, AFAIK, in Nuclear imaging the volume measurement is easier because you inject nuclear material into the blood and the radiation reading captured from the heart area using a nuclear camera is a good substitute for the volume of the blood inside the heart.</p>",
      "rawMarkdown": "MRI is expensive and slower relative to  Nuclear imaging.\r\n\r\nMany areas of the world don't have enough (at all) MRIs.\r\nNuclear imaging does not require a heavy investment, and I think it can be made  portable, so you can take it to remote locations.\r\n\r\nMRI volume measurement is hard (that's why we have this competition)\r\nand again, AFAIK, in Nuclear imaging the volume measurement is easier because you inject nuclear material into the blood and the radiation reading captured from the heart area using a nuclear camera is a good substitute for the volume of the blood inside the heart.",
      "votes": null
    },
    {
      "id": "101929",
      "postDate": "12/17/2015 22:53:43",
      "content": "<p>MRI <em>is</em> nuclear imaging and its proper name is actually <em>nuclear magnetic resonance imaging</em>. It is based on tiny changes in the magnetism of the nucleus of the hydrogen atom. </p>\n\n<p>I know that by 'nuclear imaging' you meant imaging methods such as X-Ray or CT. MRI has a lot of advantages compared to them:</p>\n\n<ul>\n<li><p>it does not involve ionising radiation </p></li>\n<li><p>you can produce image with different contrasts</p></li>\n<li><p>you can produce images in any x-, y-, or z-plane</p></li>\n<li><p>And yes, MRI acquisition is slow due to the MR physics itself, but you can do real time MR imaging, either using adequate MR pulse sequences, advanced image reconstruction techniques (compressed sensing based for example, but not only), or a combination of both.</p></li>\n</ul>",
      "rawMarkdown": "MRI *is* nuclear imaging and its proper name is actually *nuclear magnetic resonance imaging*. It is based on tiny changes in the magnetism of the nucleus of the hydrogen atom. \r\n\r\nI know that by 'nuclear imaging' you meant imaging methods such as X-Ray or CT. MRI has a lot of advantages compared to them:\r\n\r\n- it does not involve ionising radiation \r\n\r\n- you can produce image with different contrasts\r\n\r\n- you can produce images in any x-, y-, or z-plane\r\n\r\n- And yes, MRI acquisition is slow due to the MR physics itself, but you can do real time MR imaging, either using adequate MR pulse sequences, advanced image reconstruction techniques (compressed sensing based for example, but not only), or a combination of both.",
      "votes": null
    },
    {
      "id": "101934",
      "postDate": "12/17/2015 23:30:12",
      "content": "<p>The part about radiation is true, but the isotope used decays in few hours.\nThe real harm is to the person operating the device.</p>\n\n<p>I should have said Nuclear Medicine imaging but I think it is clear.\nHere is an image of how it looks like <a href=\"https://en.wikipedia.org/wiki/Nuclear_medicine#/media/File:Nl_mpi2.jpg\">https://en.wikipedia.org/wiki/Nuclear_medicine#/media/File:Nl_mpi2.jpg</a></p>",
      "rawMarkdown": "The part about radiation is true, but the isotope used decays in few hours.\r\nThe real harm is to the person operating the device.\r\n\r\nI should have said Nuclear Medicine imaging but I think it is clear.\r\nHere is an image of how it looks like https://en.wikipedia.org/wiki/Nuclear_medicine#/media/File:Nl_mpi2.jpg",
      "votes": null
    },
    {
      "id": "102236",
      "postDate": "12/20/2015 20:51:54",
      "content": "<p>Having done a 6-month stint in the nuclear medicine division of a company called Picker, I can tell you that the MRI is the way to go--doesn't require all the radiation. Frankly, being around all that radiation was unnerving. The Geiger counters were constantly going off like machine guns. Everyone was bald before they turned 25. Thank goodness I had my kids before working there. :)</p>",
      "rawMarkdown": "Having done a 6-month stint in the nuclear medicine division of a company called Picker, I can tell you that the MRI is the way to go--doesn't require all the radiation. Frankly, being around all that radiation was unnerving. The Geiger counters were constantly going off like machine guns. Everyone was bald before they turned 25. Thank goodness I had my kids before working there. :)",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 101929,
      "author_name": "",
      "author_url": "",
      "post_date": "12/17/2015 22:53:43",
      "content": "<p>MRI <em>is</em> nuclear imaging and its proper name is actually <em>nuclear magnetic resonance imaging</em>. It is based on tiny changes in the magnetism of the nucleus of the hydrogen atom. </p>\n\n<p>I know that by 'nuclear imaging' you meant imaging methods such as X-Ray or CT. MRI has a lot of advantages compared to them:</p>\n\n<ul>\n<li><p>it does not involve ionising radiation </p></li>\n<li><p>you can produce image with different contrasts</p></li>\n<li><p>you can produce images in any x-, y-, or z-plane</p></li>\n<li><p>And yes, MRI acquisition is slow due to the MR physics itself, but you can do real time MR imaging, either using adequate MR pulse sequences, advanced image reconstruction techniques (compressed sensing based for example, but not only), or a combination of both.</p></li>\n</ul>",
      "votes": null,
      "replies": []
    },
    {
      "id": 101934,
      "author_name": "udibr1",
      "author_url": "",
      "post_date": "12/17/2015 23:30:12",
      "content": "<p>The part about radiation is true, but the isotope used decays in few hours.\nThe real harm is to the person operating the device.</p>\n\n<p>I should have said Nuclear Medicine imaging but I think it is clear.\nHere is an image of how it looks like <a href=\"https://en.wikipedia.org/wiki/Nuclear_medicine#/media/File:Nl_mpi2.jpg\">https://en.wikipedia.org/wiki/Nuclear_medicine#/media/File:Nl_mpi2.jpg</a></p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 102236,
      "author_name": "einvasion",
      "author_url": "",
      "post_date": "12/20/2015 20:51:54",
      "content": "<p>Having done a 6-month stint in the nuclear medicine division of a company called Picker, I can tell you that the MRI is the way to go--doesn't require all the radiation. Frankly, being around all that radiation was unnerving. The Geiger counters were constantly going off like machine guns. Everyone was bald before they turned 25. Thank goodness I had my kids before working there. :)</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "101924": "MRI is expensive and slower relative to  Nuclear imaging.\r\n\r\nMany areas of the world don't have enough (at all) MRIs.\r\nNuclear imaging does not require a heavy investment, and I think it can be made  portable, so you can take it to remote locations.\r\n\r\nMRI volume measurement is hard (that's why we have this competition)\r\nand again, AFAIK, in Nuclear imaging the volume measurement is easier because you inject nuclear material into the blood and the radiation reading captured from the heart area using a nuclear camera is a good substitute for the volume of the blood inside the heart.",
    "101929": "MRI *is* nuclear imaging and its proper name is actually *nuclear magnetic resonance imaging*. It is based on tiny changes in the magnetism of the nucleus of the hydrogen atom. \r\n\r\nI know that by 'nuclear imaging' you meant imaging methods such as X-Ray or CT. MRI has a lot of advantages compared to them:\r\n\r\n- it does not involve ionising radiation \r\n\r\n- you can produce image with different contrasts\r\n\r\n- you can produce images in any x-, y-, or z-plane\r\n\r\n- And yes, MRI acquisition is slow due to the MR physics itself, but you can do real time MR imaging, either using adequate MR pulse sequences, advanced image reconstruction techniques (compressed sensing based for example, but not only), or a combination of both.",
    "101934": "The part about radiation is true, but the isotope used decays in few hours.\r\nThe real harm is to the person operating the device.\r\n\r\nI should have said Nuclear Medicine imaging but I think it is clear.\r\nHere is an image of how it looks like https://en.wikipedia.org/wiki/Nuclear_medicine#/media/File:Nl_mpi2.jpg",
    "102236": "Having done a 6-month stint in the nuclear medicine division of a company called Picker, I can tell you that the MRI is the way to go--doesn't require all the radiation. Frankly, being around all that radiation was unnerving. The Geiger counters were constantly going off like machine guns. Everyone was bald before they turned 25. Thank goodness I had my kids before working there. :)"
  },
  "source": "meta"
}